Free WhatsApp Automation Script — AI Sales Agent, Receptionist & Communication Bot

Turn your WhatsApp number into a smart, always-on AI agent. This Node.js script connects WhatsApp (via Meta Cloud API) with OpenAI to auto-reply to customers like a real human — perfect for shops, sales agents, receptionists, or customer support. What's inside: Complete server.js ready to deploy Webhook setup for Meta WhatsApp Cloud API OpenAI-powered replies with per-user conversation memory (last 10 messages) Fully customizable system prompt — change tone, language, business info in seconds Pre-configured example: Hinglish shopkeeper bot (Marwari Kiryana Store) Short, chat-style replies that feel natural — not robotic Use it for: grocery stores, salons, clinics, real estate, e-commerce, lead capture, FAQ handling, appointment booking, or any business that gets WhatsApp inquiries. Stack: Node.js · Express · OpenAI API · Meta WhatsApp Cloud API